Using the VTech LoLibird is super easy. First, slide the fabric - covered magnetic egg under your shoulder sleeve and then put the LoLibird on top. You can then start your adventures together. To make the bird repeat what you say, just press its tummy. Press the music note on its wing to enjoy its singing. You can also have fun by shaking it or turning it upside down. When it comes to batteries, make sure to use 2 x AAA batteries. This toy is for kids aged 4 and up, so keep it away from younger children. For maintenance, just keep it clean and dry. If you want to replace the batteries, be careful and follow the correct procedure to avoid any damage to the toy.